ἁγιομνήσιον
From LSJ
Ῥῦσέ με δεινῶν νοσημάτων, ἱερώτατε, ἱερωσύνην συναρμόσας ἐν χαρᾷ και ἐπιστήμης τὸ πολύτιμον κεφάλαιον → Deliver me from grievous afflictions, most holy one, joining sanctity together in joy with the precious fountainhead of knowledge
Greek (Liddell-Scott)
ἁγιομνήσιον: τό, ἁγία, ἱερὰ μνήμη, Ἐκκλ.